Training in VNG

Performing optokinetic testing (VNG)

Introductory
10 mins
Video
25 November 2022

Description

The optokinetic test uses a similar system to the smooth pursuit system and in fact the smooth pursuit system is implicated in this test. The difference is that the stimulus in optokinetic testing should be "full field" meaning that it occupies all of the patient's field of vision.

It can be used a part of a test battery approach to determining the presence of central lesions.

This video demonstrates a patient undergoing optokinetic testing.

Presenter

Leigh Martin
Leigh Martin is a British Audiologist and adjunct lecturer at the University of Cork, Ireland. Clinically, he has worked in the National Health Service specializing in paediatric audiology as well as vestibular diagnostics and rehabilitation. Leigh has also sat on the board of directors for the British Academy of Audiology. Since 2013, Leigh has supported the growth and development of the Interacoustics Academy and holds the position of Director of the Academy. Leigh has presented at numerous scientific conferences and meetings across a diverse range of audiological topics as well as having published papers in both video head impulse testing (vHIT) and wideband tympanometry.

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Interacoustics - hearing and balance diagnosis and rehabilitation
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